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KYOSHO
(http://www.oople.com/forums/forumdisplay.php?f=10)
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Set up help
Can someone please help!!
I have a kmc converted zx5, i run it on polished wodden floor at faversham. For ages i have had problems with the back end staying where i want it, my dad also has the same problem with the standard chassis. For example i will go into a corner but if i put to much power on the car will swap ends! But what i dont get is that i can hear the tyres squelling with grip. my current set up is pale yellow springs all round, 35wt in front 30wt in back, front shocks in middle hole, rear shocks in outer hole, 10 deg hubs and a15 block on rear. oh and i also run 13.5 brushless and a trakpower 4800 saddle pack with 100 grams of weight in the back. cheers Will |
Try A30 in the rear that will help and put a two notch shim under the 'B' block, you could also move the bottom rear shock to the Middle hole and lenghten the rear camber link. All these will help with rear grip. HTH. almost forgot to say put the kit 70# silvers back on the front too.
SimonW |
cheers mate i will give it a go on wednesday and see what happens
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sorry this is proberbly a really stupid qeustion but what do you mean my the "B" block, do you mean the "BR" block :confused:
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B block from memory is the one in front of the rear gearbox that holds the other end of the hingepin on the rear. will possibly be popping up to faversham on wed night so will show you if you are not sure ;)
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will the SP knuckle & hub LA254 fit on the original standard ZX5 or RTR kit without any modification? will it be a direct swop (without replacing arms nor CVDs)?
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No!! |
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Might seem like a strange question, but what colour are your balls ? On the SP you should be running the silver coloured balls on the knuckle, they are a different design that lowers the ball joint and reduces bump steer significantly. |
I have practically zero bump steer on my ZX5-SP ..... anybody who knows me will tell you I'm far to anal about such things to stand for any at all!!!
Sorry to say it but sounds like you have built the car wrong! Post up a pic of the front end assembly please and we'll work out what is wrong. |
I am just uploading some pics. But I have a strong suspicion that I am going to be made a fool of - publically!:lol:
5 mins and they'll be up;) http://a7.vox.com/6a00e398f1628400050109d07c9d7f000e-pi http://a4.vox.com/6a00e398f1628400050109d0fe3b7c000f-pi http://a2.vox.com/6a00e398f162840005010980c97b22000b-pi Thanks for the response guys. Looking forward, (nervously) to the response. :lol: |
zx5
is the rear shock tower the wrong side of the bulkhead?
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How can you see the rear bulkhead from the pics:eh?:
Both ends are on the right way round.;) |
I will have a look when I have my car in front of me but from memory that all looks to be assembled correctly.
I have checked my car since your first post and there is a tiny fraction of bump steer but only in the parts of the travel where if your using that area bump steer is the least of your worries....... How much droop are you running on the front, notice that you have your hubs low like me .......... I run the shock length a little shorter than stock IIRC |
help with set up
:bored: Can any one tell me what set I shood do for astro and grass and what mods or parts i shood get for my zx-5sp kit I'v got coming as would like to get it set up right from the start but no I will have to tweak it a bit still for new tracks when I go to them and for my driving.:D
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That will get you going, only a few changes from then ..... Main change is that I am now using the middle camber link position on the bulkhead both front and rear ends. Often run 10 degree castor blocks on the front too. Run it like that for a bit then let me know what you would prefer it to do handling wise if it's not perfect for you and I'll tell you how to change the set-up to suit. I have a personal preference which means most of the time I run #70 silver springs on the front which have had 1.5 coils cut off. Ride heights quoted as the gap between the top of the upper spring platform and the shock cap. For carpet I run a very similar set-up but ..... Lime green springs (#75) all round, in outer holes on the wishbones and a 1.2mm rear anti-roll bar ... no other changes. The ZX5-SP is a VERY easy car to drive, this set-up will give you loads of steering without making the car feel too twichy. |
Thanks
:D Thanks for that mate I'll let you no how I get on. But can I by a spring set with all the spings so I can try different ones?:bored: As can only see one pear at a time for sale.
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Kyosho only sell springs in pairs.
Trust me, all you will need is silver #70s (ZX5 kit springs), two pairs of fronts if you want to try the cutting... lime green #75s front and rear #68 and #72 rears. You will need nothing else on grass or astro! |
Roger is right again, we mostly ran kit silver (there may be another silver-stronger spring), its tyres that you will mostly have to get used to and adjust for grass & astro, wet/damp/dry/short/long/grippy/whatever. ask around where you are racing.
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well looks like I found a good setup for the FS on carpet, it will be posted on Petit RC as soon as Arn0 will be back I'm sure. Car was fantastic everywhere on the track and produced laptimes which I thought were way beyond what I thought I could get.
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Hi All
Not sure there is simple answer to this but here goes.... I race outdoors on a pretty bumpy astroturf track .I have a standard ZX5, and am pretty happy with the setup, apart from the following. I suffer from understear on initial turn in and off power, especially if the track is damp It feels like i have to wait too long when cornering before i can apply power. If i put really grippy tyres on it just spins round as i then have too much grip coming out of corners. Not sure i really know what i am talking about but if feel like i aM lacking mechanical front end grip when off power. I have 30 oil front and back, yellow springs at the back and orange at the front. Any suggestions? Thanks in advance, Dave |
Hi Dave,
Are you running front diff or one way? or maybe center one way? |
Hi Neil, normal 4wd if that makes sense, same setup front and rear.
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Run the centre shaft 1-way with a tight front diff, that should cure it.
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As Simon says :)
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Thanks Guys, i am not sure i have the centre shaft one way. Could you give me anymore info on it/ Would i then just run the normal diff in the front? Sorry this is all new to me :confused:
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Anyone have a decent indoor carpet setup that I can use on the wifes RTR?
Would like to give her a fighting chance to whoop my arse on the track if I can :) |
As per cOsie above but for an SP...iv been tryin for a few weeks now but just cant get it right...:confused:
i run at Macctrack, its a tight twisty small track so speed is not really an issue...any ideas Cheers... Paul.. |
Nelly, I'll try and give you an SP set-up later for carpet.
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At the moment im running as follows:
FRONT Springs.............Silver (kit) Oil....................30w Shock pos..........middle top, middle arm Castor blocks.....10 degree Camber link........inner pos. on both ends Camber.............1 degree negative Toe..................1 degree out Arms................. just below level REAR Springs.............Silver (kit) Oil....................25w Shock pos..........middle top, inner arm Camber link........inner pos. at both ends Sus holder.........A25 19T reedy brushed motor Schumacher mini pins all round with blue inserts (slightly worn) The problem i have is both understeer and oversteer!!....:confused::confused: let me explain...using this setup i get poor high speed turn in and poor turn in on full lock at medium speed, i then changed the oil in the rear to 35w and put the shock mounts to outer, top and bottom! this now gives me oversteer at the end of the straight and it seems to 'hook' at tight corners.. I have tried a lot of different combinations but this is about the best iv found Now i am no great driver but it is hard to develop your skill when the car is not setup right, Iv had my Lazer from December and think its a crackin car! half the joy of racing it for me is learning the setup....i think i just need a little help...:blush: Thanks Roger... Paul..:thumbsup: |
Try running your rear/lower shock position on the out side with blue 68# springs, that should make it more stable and stop the hooking in and give you more exit steering too.
HTH SimonW |
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I know we're running a different car to you but Woody and I have found that cutting the rear wing's gurney right down helps a lot with high speed steering.
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All this from memory as the car isn't here to look at but here goes ....
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Thanks a lot guys, ill give both setups a blast later in the week...ill post back my findings when i can....
Cheers... Paul...:thumbsup: |
Pulling Right
Hey alll
Been tinkering with my standard ZX5 and thanks to all the help on this forum i pretty much have it sorted:D. One final question and i may just be being picky! From a stand still under heavy acceleration it pulls right. If i pull away gently it is fine and straight or if i am moving at a reasonable pace and floor it, it is fine too. Just the initial race start kind if setup it pulls right. Any ideas? Thanks in advance Dave O |
did you notice this on carpet?
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No on tarmac, i usually race on astroturf but haven't taken it there yet
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ah ok then nevermnd then lol
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